| article html file updated | 8 February 2020 22:25 CET | Update | https://www.mdpi.com/2225-1146/5/4/52 |
| article html file updated | 28 September 2019 19:18 CEST | Update | N/A |
| article html file updated | 2 May 2019 12:17 CEST | Update | N/A |
| article html file updated | 18 April 2019 09:54 CEST | Update | N/A |
| article html file updated | 14 March 2018 10:19 CET | Update | N/A |
| article html file updated | 24 January 2018 02:41 CET | Original file | N/A |
| article xml uploaded. | 24 January 2018 02:40 CET | Update | https://www.mdpi.com/2225-1146/5/4/52/xml |
| article xml uploaded. | 28 November 2017 06:20 CET | Original file | N/A |
| article pdf uploaded. | 28 November 2017 06:20 CET | Version of Record | https://www.mdpi.com/2225-1146/5/4/52/pdf |
